All of the above is the answer.
All cellular activities that require energy use ATP as a source of energy.
Salutations!
A group of cells working together are called tissues. Organisms are made up of this structure. Cells are the smallest unit of life. A group of tissues working together is called organ. A group of organs working together is called organ system. An organ system working together makes up an organism.
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Chloroplasts. Animal cells don’t have chloroplasts only plants
